ISO/IEC 21000-7:2007 信息技术 多媒体框架（MPEG-21） 第7部分：数字项适配

标准编号：ISO/IEC 21000-7:2007

中文名称：信息技术 多媒体框架（MPEG-21） 第7部分：数字项适配

英文名称：Information technology — Multimedia framework (MPEG-21) — Part 7: Digital Item Adaptation

发布日期：2007-12

标准范围

1.1 GeneralThis part of ISO/IEC 21000 specifies the syntax and semantics of tools that may be used to assist theadaptation of Digital Items, i.e., the Digital Item Declaration and resources referenced by the declaration. Thetools could be used to satisfy transmission, storage and consumption constraints, as well as Quality of Servicemanagement by the various Users. It is important to emphasize that the adaptation engines themselves arenon-normative tools of this part of ISO/IEC 21000.1.2 Organization of the documentThis clause describes the various Digital Item Adaptation tools specified in this part of ISO/IEC 21000.Throughout this part of ISO/IEC 21000, each tool is described by the following subclauses:- Syntax: Normative specification of the syntax of the tool using XML Schema.- Semantic: Normative specification of the semantics of the tool and its components.- Informative examples: Optionally, informative examples illustrating use of the tool.1.3 Overview of Digital Item Adaptation1.4 Overview of Digital Item Adaptation tools1.5 Relation between Digital Item Adaptation and other parts of ISO/IEC 210001.6 Relation between Digital Item Adaptation and ISO/IEC 15938

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